Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp3207923pxb; Sat, 9 Oct 2021 04:50:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz2GWVBdO+B5Qyg/qAxV0FOwyYaRbxWQWeYXRVDjgA3d+90Ajfczh10H2ozUTDS6PNyZHGG X-Received: by 2002:a05:6402:278a:: with SMTP id b10mr22627933ede.134.1633780218278; Sat, 09 Oct 2021 04:50:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633780218; cv=none; d=google.com; s=arc-20160816; b=M5MCAEwIVj+tju4AnnK4vLcLjFamH9QHtzYAqAGit1/nB47RW+5I8MZunPCPyrCVkR BbuYWYsHmUcg/o1qUQ4EbSm8iygRiltJ01mhZaB2wXP6kHg6FZXNCNZL/MkjYq7uCwSE hGBOImN1ozeGiKXSQaYHjko3YNrVmu4Ap6YdmgwmGJpXkIl2s2oUsbuXo9C4G80rTcxj qAAebnBTPnZDUCvB864d1EzyASpLjcDMxKOdrSod5Yc2exaiExgJ05B1vlUq96mL8v6V 8WWch8ixkKPW4gFe8RvIwQRxaQOC/PmZOscSpsPXwEJY9WRcNgiWzoXniWqDp8LGOzYt BD/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=5lACOeB6w+/WuBSkzxoSdqaily0qyLKLvSrLBbjbBZc=; b=d6GNw1fvr45VmWosrA+WiU6NY5yV8ETt5v1kVNwNjxJ9DEK3e03Gmo6fIELNLPTpx/ opBsF3w0QhkURujfui6SG/NgUtLdEBzyXGieV4TQwyssQGQequOYIDad7LYFRIZ6uXZ3 GCq7FjOLFsRBT3adAu3KJFtpL6WWIKZtz8fuqtoVQ1rfaXfVr6QJInpozoMR7/8OdkN9 Z+mlU03sg+1jEWk1GmjQF5e/hPAW+GvndrWtJ6KYbtrF5PDHwOhRn5F6HOzPkvEjq6qg e78tfoVIeVqBOD94zB8mhmd8B6DvB4125qvhvBNbe/IsykqgmWvhXJD6s0uHHB86Qg6T 8euQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id i14si2909674eje.121.2021.10.09.04.49.54; Sat, 09 Oct 2021 04:50:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232960AbhJILuf (ORCPT + 99 others); Sat, 9 Oct 2021 07:50:35 -0400 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:58790 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229825AbhJILue (ORCPT ); Sat, 9 Oct 2021 07:50:34 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0Ur6bLbj_1633780115; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0Ur6bLbj_1633780115) by smtp.aliyun-inc.com(127.0.0.1); Sat, 09 Oct 2021 19:48:35 +0800 From: Xianting Tian To: gregkh@linuxfoundation.org, jirislaby@kernel.org, amit@kernel.org, arnd@arndb.de, osandov@fb.com Cc: shile.zhang@linux.alibaba.com, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Xianting Tian Subject: [PATCH v10 1/3] tty: hvc: use correct dma alignment size Date: Sat, 9 Oct 2021 19:48:27 +0800 Message-Id: <20211009114829.1071021-2-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211009114829.1071021-1-xianting.tian@linux.alibaba.com> References: <20211009114829.1071021-1-xianting.tian@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use L1_CACHE_BYTES as the dma alignment size, use 'sizeof(long)' is wrong. Signed-off-by: Xianting Tian Reviewed-by: Shile Zhang --- drivers/tty/hvc/hvc_console.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 5bb8c4e44..5957ab728 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -49,7 +49,7 @@ #define N_OUTBUF 16 #define N_INBUF 16 -#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) +#define __ALIGNED__ __attribute__((__aligned__(L1_CACHE_BYTES))) static struct tty_driver *hvc_driver; static struct task_struct *hvc_task; -- 2.17.1